705 lines
20 KiB
Perl
705 lines
20 KiB
Perl
# lib/Parser/IRC.pm - Subroutines for parsing incoming data from IRC.
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# Copyright (C) 2010-2011 Xelhua Development Group, et al.
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# This program is free software; rights to this code are stated in doc/LICENSE.
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package Parser::IRC;
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use strict;
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use warnings;
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use API::Std qw(conf_get err awarn trans);
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use API::IRC;
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# Raw parsing hash.
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our %RAWC = (
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ssss'001' => \&num001,
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ssss'005' => \&num005,
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ssss'353' => \&num353,
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ssss'432' => \&num432,
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ssss'433' => \&num433,
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ssss'438' => \&num438,
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ssss'465' => \&num465,
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ssss'471' => \&num471,
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ssss'473' => \&num473,
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ssss'474' => \&num474,
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ssss'475' => \&num475,
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ssss'477' => \&num477,
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ssss'JOIN' => \&cjoin,
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'KICK' => \&kick,
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'MODE' => \&mode,
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ssss'NICK' => \&nick,
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ssss'NOTICE' => \¬ice,
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'PART' => \&part,
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ssss'PRIVMSG' => \&privmsg,
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ssss'QUIT' => \&quit,
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'TOPIC' => \&topic,
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);
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# Variables for various functions.
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our (%got_001, %botnick, %botchans, %csprefix, %chanusers, %chanmodes);
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# Events.
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API::Std::event_add("on_connect");
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API::Std::event_add("on_rcjoin");
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API::Std::event_add("on_ucjoin");
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API::Std::event_add("on_kick");
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API::Std::event_add("on_nick");
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API::Std::event_add("on_notice");
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API::Std::event_add("on_cprivmsg");
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API::Std::event_add("on_uprivmsg");
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API::Std::event_add("on_quit");
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API::Std::event_add("on_topic");
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# Parse raw data.
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sub ircparse
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{
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ssssmy ($svr, $data) = @_;
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ssss
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ssss# Split spaces into @ex.
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ssssmy @ex = split /\s+/, $data;
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ssss# Make sure there is enough data.
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ssssif (defined $ex[0] and defined $ex[1]) {
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ssss # If it's a ping...
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ssss if ($ex[0] eq 'PING') {
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ssss # send a PONG.
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ssss Auto::socksnd($svr, "PONG ".$ex[1]);
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ssss }
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ssss # If it's AUTHENTICATE
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ssss elsif ($ex[0] eq 'AUTHENTICATE') {
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ssss if (API::Std::mod_exists("SASLAuth")) {
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M::SASLAuth::handle_authenticate($svr, @ex);
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ssss }
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ssss }
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ssss else {
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ssss # otherwise, check %RAWC for ex[1].
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ssss if (defined $RAWC{$ex[1]}) {
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ssss &{ $RAWC{$ex[1]} }($svr, @ex);
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ssss }
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ssss }
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ssss}
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ssss
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ssssreturn 1;
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}
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###########################
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# Raw parsing subroutines #
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###########################
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# Parse: Numeric:001
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# Successful connection.
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sub num001
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{
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ssssmy ($svr, @ex) = @_;
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ssss
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ssss$got_001{$svr} = 1;
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ssss
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ssss# In case we don't get NICK from the server.
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ssssif (defined $botnick{$svr}{newnick}) {
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ssss $botnick{$svr}{nick} = $botnick{$svr}{newnick};
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ssss delete $botnick{$svr}{newnick};
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ssss}
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# Trigger on_connect.
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API::Std::event_run("on_connect", $svr);
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:005
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# Prefixes and channel modes.
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sub num005
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{
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ssssmy ($svr, @ex) = @_;
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ssss
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ssss# Find PREFIX and CHANMODES.
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ssssforeach my $ex (@ex) {
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ssss if ($ex =~ m/^PREFIX/xsm) {
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ssss # Found PREFIX.
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ssss my $rpx = substr($ex, 8);
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ssss my ($pm, $pp) = split('\)', $rpx);
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ssss my @apm = split(//, $pm);
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ssss my @app = split(//, $pp);
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ssss foreach my $ppm (@apm) {
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ssss # Store data.
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ssss $csprefix{$svr}{$ppm} = shift(@app);
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ssss }
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ssss }
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elsif ($ex =~ m/^CHANMODES/xsm) {
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# Found CHANMODES.
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my ($mtl, $mtp, $mtpp, $mts) = split m/[,]/xsm, substr($ex, 10);
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# List modes.
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foreach (split(//, $mtl)) { $chanmodes{$svr}{$_} = 1; }
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# Modes with parameter.
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foreach (split(//, $mtp)) { $chanmodes{$svr}{$_} = 2; }
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# Modes with parameter when +.
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foreach (split(//, $mtpp)) { $chanmodes{$svr}{$_} = 3; }
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# Modes without parameter.
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foreach (split(//, $mts)) { $chanmodes{$svr}{$_} = 4; }
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}
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ssss}
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:353
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# NAMES reply.
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sub num353
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{
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ssssmy ($svr, @ex) = @_;
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ssss
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ssss# Get rid of the colon.
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ssss$ex[5] = substr($ex[5], 1);
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ssss# Delete the old chanusers hash if it exists.
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ssssdelete $chanusers{$svr}{$ex[4]} if (defined $chanusers{$svr}{$ex[4]});
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ssss# Iterate through each user.
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ssssfor (my $i = 5; $i < scalar(@ex); $i++) {
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ssss my $fi = 0;
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ssss foreach (keys %{ $csprefix{$svr} }) {
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ssss # Check if the user has status in the channel.
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ssss if (substr($ex[$i], 0, 1) eq $csprefix{$svr}{$_}) {
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ssss # He/she does. Lets set that.
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ssss if (defined $chanusers{$svr}{$ex[4]}{lc(substr($ex[$i], 1))}) {
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ssss # If the user has multiple statuses.
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ssss $chanusers{$svr}{$ex[4]}{lc(substr($ex[$i], 1))} .= $_;
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ssss }
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ssss else {
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ssss # Or not.
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ssss $chanusers{$svr}{$ex[4]}{lc(substr($ex[$i], 1))} = $_;
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ssss }
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ssss $fi = 1;
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ssss }
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ssss }
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ssss # They had status, so go to the next user.
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ssss next if $fi;
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ssss # They didn't, set them as a normal user.
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ssss if (!defined $chanusers{$svr}{$ex[4]}{lc($ex[$i])}) {
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ssss $chanusers{$svr}{$ex[4]}{lc($ex[$i])} = 1;
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ssss }
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ssss}
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:432
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# Erroneous nickname.
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sub num432
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{
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ssssmy ($svr, undef) = @_;
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ssss
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ssssif ($got_001{$svr}) {
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ssss err(3, "Got error from server[".$svr."]: Erroneous nickname.", 0);
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ssss}
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sssselse {
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ssss err(2, "Got error from server[".$svr."] before 001: Erroneous nickname. Closing connection.", 0);
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ssss API::IRC::quit($svr, "An error occurred.");
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ssss}
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ssss
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ssssdelete $botnick{$svr}{newnick} if (defined $botnick{$svr}{newnick});
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:433
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# Nickname is already in use.
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sub num433
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{
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ssssmy ($svr, undef) = @_;
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ssss
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ssssif (defined $botnick{$svr}{newnick}) {
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ssss API::IRC::nick($svr, $botnick{$svr}{newnick}."_");
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ssss delete $botnick{$svr}{newnick} if (defined $botnick{$svr}{newnick});
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ssss}
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:438
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# Nick change too fast.
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sub num438
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{
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ssssmy ($svr, @ex) = @_;
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ssss
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ssssif (defined $botnick{$svr}{newnick}) {
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ssss API::Std::timer_add("num438_".$botnick{$svr}{newnick}, 1, $ex[11], sub {
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ssss API::IRC::nick($Parser::IRC::botnick{$svr}{newnick});
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ssss delete $botnick{$svr}{newnick} if (defined $botnick{$svr}{newnick});
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ssss });
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ssss}
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:465
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# You're banned creep!
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sub num465
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{
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ssssmy ($svr, undef) = @_;
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ssss
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sssserr(3, "Banned from ".$svr."! Closing link...", 0);
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:471
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# Cannot join channel: Channel is full.
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sub num471
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{
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ssssmy ($svr, (undef, undef, undef, $chan)) = @_;
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ssss
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sssserr(3, "Cannot join channel ".$chan." on ".$svr.": Channel is full.", 0);
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:473
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# Cannot join channel: Channel is invite-only.
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sub num473
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{
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ssssmy ($svr, (undef, undef, undef, $chan)) = @_;
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ssss
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sssserr(3, "Cannot join channel ".$chan." on ".$svr.": Channel is invite-only.", 0);
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:474
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# Cannot join channel: Banned from channel.
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sub num474
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{
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ssssmy ($svr, (undef, undef, undef, $chan)) = @_;
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ssss
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sssserr(3, "Cannot join channel ".$chan." on ".$svr.": Banned from channel.", 0);
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:475
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# Cannot join channel: Bad key.
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sub num475
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{
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ssssmy ($svr, (undef, undef, undef, $chan)) = @_;
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ssss
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sssserr(3, "Cannot join channel ".$chan." on ".$svr.": Bad key.", 0);
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ssss
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ssssreturn 1;
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}
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# Parse: Numeric:477
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# Cannot join channel: Need registered nickname.
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sub num477
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{
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ssssmy ($svr, (undef, undef, undef, $chan)) = @_;
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ssss
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sssserr(3, "Cannot join channel ".$chan." on ".$svr.": Need registered nickname.", 0);
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ssss
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ssssreturn 1;
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}
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# Parse: JOIN
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sub cjoin
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{
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ssssmy ($svr, @ex) = @_;
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ssssmy %src = API::IRC::usrc(substr($ex[0], 1));
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my $chan = $ex[2];
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$chan =~ s/^://gxsm;
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ssss
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ssss# Check if this is coming from ourselves.
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ssssif ($src{nick} eq $botnick{$svr}{nick}) {
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ssss $botchans{$svr}{lc $chan} = 1;
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ssss API::Std::event_run("on_ucjoin", ($svr, $chan));
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ssss}
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sssselse {
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ssss # It isn't. Update chanusers and trigger on_rcjoin.
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$chanusers{$svr}{lc $chan}{$src{nick}} = 1;
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$src{svr} = $svr;
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ssss API::Std::event_run("on_rcjoin", (\%src, $chan));
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ssss}
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ssss
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ssssreturn 1;
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}
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# Parse: KICK
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sub kick
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{
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my ($svr, @ex) = @_;
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my %src = API::IRC::usrc(substr($ex[0], 1));
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# Update chanusers.
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delete $chanusers{$svr}{$ex[2]}{$ex[3]} if defined $chanusers{$svr}{$ex[2]}{$ex[3]};
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# Set $msg to the kick message.
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my $msg = 0;
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if (defined $ex[4]) {
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$msg = substr($ex[4], 1);
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if (defined $ex[5]) {
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for (my $i = 5; $i < scalar(@ex); $i++) {
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$msg .= " ".$ex[$i];
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}
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}
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}
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# Check if we were the ones kicked.
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if (lc($ex[3]) eq lc($botnick{$svr}{nick})) {
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# We were kicked!
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# Delete channel from botchans.
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delete $botchans{$svr}{$ex[2]};
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# Log this horrible act.
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API::Log::alog("I was kicked from ".$svr."/".$ex[2]." by ".$src{nick}."! Reason: ".$msg);
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# Rejoin if we're told to in config.
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if (conf_get("server:$svr:autorejoin")) {
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if ((conf_get("server:$svr:autorejoin"))[0][0] eq 1) {
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API::IRC::cjoin($svr, $ex[2]);
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}
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}
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}
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else {
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# We weren't. Update chanusers and trigger on_kick.
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if (defined $chanusers{$svr}{$ex[2]}{$ex[3]}) { delete $chanusers{$svr}{$ex[2]}{$ex[3]}; }
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API::Std::event_run("on_kick", ($svr, \%src, $ex[2], $ex[3], $msg));
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}
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return 1;
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}
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# Parse: MODE
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sub mode
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{
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my ($svr, @ex) = @_;
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if ($ex[2] ne $botnick{$svr}{nick}) {
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# Set data we'll need later.
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my $chan = $ex[2];
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my $modes = $ex[3];
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# Get rid of the useless data, so the mode parser will work smoothly.
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shift @ex; shift @ex; shift @ex; shift @ex;
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# Check if the modes contain any status modes.
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my $nt = 0;
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foreach (keys %{ $csprefix{$svr} }) {
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if ($modes =~ /($_)/) {
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$nt = 1;
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last;
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}
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}
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if ($nt) {
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# It did. Lets parse the changes.
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my @ma = split(//, $modes);
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my $op = 1;
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foreach my $maf (@ma) {
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if ($maf eq '+') {
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# If it's a +, change the operator to 1.
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$op = 1;
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}
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elsif ($maf eq '-') {
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# If it's a -, change the operator to 2.
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$op = 2;
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}
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else {
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# It's a mode, lets check if it's a status mode.
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my $nnt = 0;
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foreach (keys %{ $csprefix{$svr} }) {
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if ($maf eq $_) {
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$nnt = 1;
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last;
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}
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}
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if ($nnt) {
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# It is a status mode, lets parse changes.
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my $user = shift(@ex);
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if (defined $chanusers{$svr}{$chan}{$user}) {
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if ($op == 1) {
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if ($chanusers{$svr}{$chan}{$user} eq 1) {
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$chanusers{$svr}{$chan}{$user} = $maf;
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}
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else {
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$chanusers{$svr}{$chan}{$user} .= $maf;
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}
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}
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elsif ($op == 2) {
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if (length($chanusers{$svr}{$chan}{$user}) == 1) {
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$chanusers{$svr}{$chan}{$user} = 1;
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}
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else {
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$chanusers{$svr}{$chan}{$user} =~ s/($maf)//gxsm;
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}
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}
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}
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else {
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$chanusers{$svr}{$chan}{$user} = $maf;
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}
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}
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else {
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# It is not. Lets adjust arguments accordingly.
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if (defined $chanmodes{$svr}{$maf}) {
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if ($chanmodes{$svr}{$maf} == 1 || $chanmodes{$svr}{$maf} == 2) { shift @ex; }
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if ($chanmodes{$svr}{$maf} == 3) {
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if ($op == 1) { shift @ex; }
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}
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}
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}
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}
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}
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}
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}
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return 1;
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}
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# Parse: NICK
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sub nick
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{
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ssssmy ($svr, ($uex, undef, $nex)) = @_;
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$nex = substr($nex, 1);
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ssssmy %src = API::IRC::usrc(substr($uex, 1));
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ssss
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ssss# Check if this is coming from ourselves.
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ssssif ($src{nick} eq $botnick{$svr}{nick}) {
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ssss # It is. Update bot nick hash.
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ssss $botnick{$svr}{nick} = $nex;
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ssss delete $botnick{$svr}{newnick} if (defined $botnick{$svr}{newnick});
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ssss}
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sssselse {
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ssss # It isn't. Update chanusers and trigger on_nick.
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foreach my $chk (keys %{ $chanusers{$svr} }) {
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if (defined $chanusers{$svr}{$chk}{$src{nick}}) {
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$chanusers{$svr}{$chk}{$nex} = $chanusers{$svr}{$chk}{$src{nick}};
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delete $chanusers{$svr}{$chk}{$src{nick}};
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}
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}
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ssss API::Std::event_run("on_nick", ($svr, \%src, $nex));
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ssss}
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ssss
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ssssreturn 1;
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}
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# Parse: NOTICE
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sub notice
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{
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ssssmy ($svr, @ex) = @_;
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# Ensure this is coming from a user rather than a server.
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if ($ex[0] !~ m/!/xsm) { return; }
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# Prepare all the data.
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my %src = API::IRC::usrc(substr $ex[0], 1);
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my $target = $ex[2];
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shift @ex; shift @ex; shift @ex;
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$ex[0] = substr $ex[0], 1;
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$src{svr} = $svr;
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ssss
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# Send it off.
|
|
ssssAPI::Std::event_run("on_notice", (\%src, $target, @ex));
|
|
ssss
|
|
ssssreturn 1;
|
|
}
|
|
|
|
# Parse: PART
|
|
sub part
|
|
{
|
|
my ($svr, @ex) = @_;
|
|
my %src = API::IRC::usrc(substr($ex[0], 1));
|
|
|
|
# Delete them from chanusers.
|
|
delete $chanusers{$svr}{$ex[2]}{$src{nick}} if defined $chanusers{$svr}{$ex[2]}{$src{nick}};
|
|
|
|
# Set $msg to the part message.
|
|
my $msg = 0;
|
|
if (defined $ex[3]) {
|
|
$msg = substr($ex[3], 1);
|
|
if (defined $ex[4]) {
|
|
for (my $i = 4; $i < scalar(@ex); $i++) {
|
|
$msg .= " ".$ex[$i];
|
|
}
|
|
}
|
|
}
|
|
|
|
# Trigger on_part.
|
|
API::Std::event_run("on_part", ($svr, \%src, $ex[2], $msg));
|
|
|
|
return 1;
|
|
}
|
|
|
|
# Parse: PRIVMSG
|
|
sub privmsg
|
|
{
|
|
ssssmy ($svr, @ex) = @_;
|
|
my %data = API::IRC::usrc(substr($ex[0], 1));
|
|
|
|
# Ensure this is coming from a user rather than a server.
|
|
if ($ex[0] !~ m/!/xsm) { return; }
|
|
|
|
my @argv;
|
|
ssssfor (my $i = 4; $i < scalar(@ex); $i++) {
|
|
ssss push(@argv, $ex[$i]);
|
|
ssss}
|
|
ssss$data{svr} = $svr;
|
|
ssss
|
|
ssssmy ($cmd, $cprefix, $rprefix);
|
|
ssss# Check if it's to a channel or to us.
|
|
ssssif (lc($ex[2]) eq lc($botnick{$svr}{nick})) {
|
|
ssss # It is coming to us in a private message.
|
|
|
|
# Ensure it's a valid length.
|
|
if (length($ex[3]) > 1) {
|
|
ssss $cmd = uc(substr($ex[3], 1));
|
|
ssss if (defined $API::Std::CMDS{$cmd}) {
|
|
# If this is indeed a command, continue.
|
|
ssss if ($API::Std::CMDS{$cmd}{lvl} == 1 or $API::Std::CMDS{$cmd}{lvl} == 2) {
|
|
# Ensure the level is private or all.
|
|
if (API::Std::ratelimit_check(%data)) {
|
|
# Continue if the user has not passed the ratelimit amount.
|
|
ssss if ($API::Std::CMDS{$cmd}{priv}) {
|
|
# If this command requires a privilege...
|
|
if (API::Std::has_priv(API::Std::match_user(%data), $API::Std::CMDS{$cmd}{priv})) {
|
|
# Make sure they have it.
|
|
&{ $API::Std::CMDS{$cmd}{'sub'} }(\%data, @argv);
|
|
}
|
|
else {
|
|
# Else give them the boot.
|
|
API::IRC::notice($data{svr}, $data{nick}, API::Std::trans("Permission denied").".");
|
|
}
|
|
}
|
|
else {
|
|
# Else execute the command without any extra checks.
|
|
&{ $API::Std::CMDS{$cmd}{'sub'} }(\%data, @argv);
|
|
}
|
|
}
|
|
else {
|
|
# Send them a notice about their bad deed.
|
|
API::IRC::notice($data{svr}, $data{nick}, trans('Rate limit exceeded').q{.});
|
|
}
|
|
ssss }
|
|
ssss }
|
|
}
|
|
|
|
ssss # Trigger event on_uprivmsg.
|
|
shift @ex; shift @ex; shift @ex;
|
|
$ex[0] = substr $ex[0], 1;
|
|
ssss API::Std::event_run("on_uprivmsg", (\%data, @ex));
|
|
ssss}
|
|
sssselse {
|
|
ssss # It is coming to us in a channel message.
|
|
ssss $data{chan} = $ex[2];
|
|
# Ensure it's a valid length before continuing.
|
|
ssss if (length($ex[3]) > 1) {
|
|
$cprefix = (conf_get("fantasy_pf"))[0][0];
|
|
ssss $rprefix = substr($ex[3], 1, 1);
|
|
ssss $cmd = uc(substr($ex[3], 2));
|
|
ssss if (defined $API::Std::CMDS{$cmd} and $rprefix eq $cprefix) {
|
|
# If this is indeed a command, continue.
|
|
ssss if ($API::Std::CMDS{$cmd}{lvl} == 0 or $API::Std::CMDS{$cmd}{lvl} == 2) {
|
|
# Ensure the level is public or all.
|
|
if (API::Std::ratelimit_check(%data)) {
|
|
# Continue if the user has not passed the ratelimit amount.
|
|
if ($API::Std::CMDS{$cmd}{priv}) {
|
|
# If this command takes a privilege...
|
|
if (API::Std::has_priv(API::Std::match_user(%data), $API::Std::CMDS{$cmd}{priv})) {
|
|
# Make sure they have it.
|
|
&{ $API::Std::CMDS{$cmd}{'sub'} }(\%data, @argv);
|
|
}
|
|
else {
|
|
# Else give them the boot.
|
|
API::IRC::notice($data{svr}, $data{nick}, API::Std::trans('Permission denied').q{.});
|
|
}
|
|
}
|
|
else {
|
|
# Else continue executing without any extra checks.
|
|
&{ $API::Std::CMDS{$cmd}{'sub'} }(\%data, @argv);
|
|
}
|
|
}
|
|
else {
|
|
# Send them a notice about their bad deed.
|
|
API::IRC::notice($data{svr}, $data{nick}, trans('Rate limit exceeded').q{.});
|
|
}
|
|
}
|
|
elsif ($API::Std::CMDS{$cmd}{lvl} == 3) {
|
|
# Or if it's a logchan command...
|
|
my ($lcn, $lcc) = split '/', (conf_get('logchan'))[0][0];
|
|
if ($lcn eq $data{svr} and lc $lcc eq lc $data{chan}) {
|
|
# Check if it's being sent from the logchan.
|
|
if ($API::Std::CMDS{$cmd}{priv}) {
|
|
# If this command takes a privilege...
|
|
if (API::Std::has_priv(API::Std::match_user(%data), $API::Std::CMDS{$cmd}{priv})) {
|
|
# Make sure they have it.
|
|
&{ $API::Std::CMDS{$cmd}{'sub'} }(\%data, @argv);
|
|
}
|
|
else {
|
|
# Else give them the boot.
|
|
API::IRC::notice($data{svr}, $data{nick}, API::Std::trans('Permission denied').q{.});
|
|
}
|
|
}
|
|
else {
|
|
# Else continue executing without any extra checks.
|
|
&{ $API::Std::CMDS{$cmd}{'sub'} }(\%data, @argv);
|
|
}
|
|
}
|
|
}
|
|
ssss }
|
|
}
|
|
|
|
ssss # Trigger event on_cprivmsg.
|
|
my $target = $ex[2]; delete $data{chan};
|
|
shift @ex; shift @ex; shift @ex;
|
|
$ex[0] = substr $ex[0], 1;
|
|
ssss API::Std::event_run("on_cprivmsg", (\%data, $target, @ex));
|
|
ssss}
|
|
ssss
|
|
ssssreturn 1;
|
|
}
|
|
|
|
# Parse: QUIT
|
|
sub quit
|
|
{
|
|
my ($svr, @ex) = @_;
|
|
ssssmy %src = API::IRC::usrc(substr($ex[0], 1));
|
|
|
|
# Set $msg to the quit message.
|
|
my $msg = 0;
|
|
if (defined $ex[2]) {
|
|
$msg = substr($ex[2], 1);
|
|
if (defined $ex[3]) {
|
|
for (my $i = 3; $i < scalar(@ex); $i++) {
|
|
$msg .= " ".$ex[$i];
|
|
}
|
|
}
|
|
}
|
|
|
|
# Trigger on_quit.
|
|
API::Std::event_run("on_quit", ($svr, \%src, $msg));
|
|
|
|
return 1;
|
|
}
|
|
|
|
# Parse: TOPIC
|
|
sub topic
|
|
{
|
|
ssssmy ($svr, @ex) = @_;
|
|
ssssmy %src = API::IRC::usrc(substr($ex[0], 1));
|
|
ssss
|
|
ssss# Ignore it if it's coming from us.
|
|
ssssif (lc($src{nick}) ne lc($botnick{$svr}{nick})) {
|
|
ssss $src{chan} = $ex[2];
|
|
ssss my (@argv);
|
|
ssss $argv[0] = substr($ex[3], 1);
|
|
ssss if (defined $ex[4]) {
|
|
ssss for (my $i = 4; $i < scalar(@ex); $i++) {
|
|
ssss push(@argv, $ex[$i]);
|
|
ssss }
|
|
ssss }
|
|
ssss API::Std::event_run("on_topic", ($svr, \%src, @argv));
|
|
ssss}
|
|
ssss
|
|
ssssreturn 1;
|
|
}
|
|
|
|
|
|
1;
|
|
# vim: set ai sw=4 ts=4:
|